As long as your doesn't include any of these you should be ok
Sites displaying Google ads may not include:
- Violent content, racial intolerance, or advocacy against any individual, group, or organization
- Pornography, adult, or mature content
- Hacking/cracking content
- Illicit drugs and drug paraphernalia
- Excessive profanity
- Gambling or casino-related content
- Content regarding programs which compensate users for clicking on ads or offers, performing searches, surfing websites, or reading emails
- Excessive, repetitive, or irrelevant keywords in the content or code of web pages
- Deceptive or manipulative content or construction to improve your site's search engine ranking, e.g., your site's PageRank
- Sales or promotion of weapons or ammunition (e.g., firearms, fighting knives, stun guns)
- Sales or promotion of beer or hard alcohol
- Sales or promotion of tobacco or tobacco-related products
- Sales or promotion of prescription drugs
- Sales or promotion of products that are replicas or imitations of designer goods
- Sales or distribution of term papers or student essays
- Any other content that is illegal, promotes illegal activity, or infringes on the legal rights of others
Source: https://www.google.com/adsense/support/bin/answer.py?hl=en&answer=48182
For questions about specific scenarios which are allowed/not allowed, this forum is helpful: http://groups.google.com/group/adsense-help-guidelines/topics
